/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is Canadian Weather.
 *
 * The Initial Developer of the Original Code is
 *   George Bradt.
 *
 * Portions created by the Initial Developer are Copyright (C) 2011
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   George Bradt.
 *
 * Credits:
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

// Handle user-defined event emitted from add-on code when the warning panel is shown.
// Initialize panel elements.
self.port.on('show', function(aWarnings) {
    if ( aWarnings.length > 0 ) {
        var anchor = document.createElement("a");
        anchor.setAttribute('target', '_blank');
        anchor.setAttribute('href', aWarnings[0]);
        anchor.appendChild(document.createTextNode('Environment Canada (link)'));
        updateNode(document.getElementById('canw-ecLink'), anchor);

        updateNode(document.getElementById('canw-date'), document.createTextNode(aWarnings[1].date));
        updateNode(document.getElementById('canw-priority'), document.createTextNode(aWarnings[1].priority));
        updateNode(document.getElementById('canw-type'), document.createTextNode(aWarnings[1].type));

        var warningDescription = '';

        for ( let i = 1; i < aWarnings.length; i++ ) {
            warningDescription += aWarnings[i].description + '\n';
        }

        updateNode(document.getElementById('canw-description'), document.createTextNode(warningDescription.slice(0, -1)));
    }

    function updateNode(aElement, aContent) {
        // Shallow clone will not copy the content of the element.
        newElement = aElement.cloneNode(false);

        // Insert the cloned element before the original.
        aElement.parentNode.insertBefore(newElement, aElement);

        // Remove the original element.
        aElement.parentNode.removeChild(aElement);

        // Append new content.
        newElement.appendChild(aContent);
    }
});

// Add event listener to our OK button.
document.getElementById('canw-buttonOk').addEventListener('click', function(aEvent) {
    self.port.emit('ok-click');
    aEvent.preventDefault();
}, true);